6621652 has 24 divisors (see below), whose sum is σ = 12299840. Its totient is φ = 3110400.

The previous prime is 6621649. The next prime is 6621691. The reversal of 6621652 is 2561266.

It is a self number, because there is not a number n which added to its sum of digits gives 6621652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11188 + ... + 11764.

Almost surely, 2^6621652 is an apocalyptic number.

It is an amenable number.

6621652 is a deficient number, since it is larger than the sum of its proper divisors (5678188).

6621652 is a wasteful number, since it uses less digits than its factorization.

6621652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 749 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 6621652 is about 2573.2570800447. The cubic root of 6621652 is about 187.7826445318.

The spelling of 6621652 in words is "six million, six hundred twenty-one thousand, six hundred fifty-two".